oliver knill
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2 lines Povray, no libs for a movie #declare c=clock; camera{location <-0.55,0.55,(1-c)/(1/5+c)> look_at <-0.55,0.55,-5> right <0,16/9,0> up <0,0,1>} plane{z,0 pigment{mandel 200 color_map{[0 rgb 0][(1-c)/6 rgb <1,c,1-c>][(1-c)/(3+3*c) rgb <1,c,0>][1 rgb 0]}} finish{ambient 1}} t.co/a39VudGD3g
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Even after 40 years, since they were in fashion, fractals are still very exciting objects. We covered 10 in 8 minutes in a preparation lecture: t.co/CZCkaOwEKV We cover the Cantor-Smith, Sierpinski, Menger, Weierstrass, Lorenz, DLA, Barnsley, Mandelbrot, Mandelbulb sets. t.co/rEmKYCETtR
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10 beautiful objects in topology: t.co/9Y6T5X1mU5 Also a technology demo, with old (clay) and new (multiple cameras recordings and graphics). Algebra: most versatile, Calculus: most useful, Logic: most astounding, Probability: most surprising, Topology: most beautiful! t.co/DINi3PaBnF
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Olli and Ruti today on Snap camera. t.co/fsZJQl6MOK via @YouTube
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From all of mathematics, probability theory probably has the most interesting stories. Here is a collection of 10 short stories told yesterday in 22 minutes: t.co/AQRntuZGFg This is preparation for the upcoming probability lecture in Math E 320: t.co/kSl1bRLj69 . t.co/Ztn1puZRD2
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The website t.co/b3x8DaZTDE was built 23 years ago and still runs reliably with the same engine (written by myself in perl and bash from scratch). Good things last long! 4184 articles about rhetorics, communication, politics etc. The icon poster below illustrates this. t.co/OT2FhVuxkH
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Happy piday! Here is how the Sumerian or Babylonian mathematicians would have written pi. to 8 digits accuracy: pi=3. 8 29 44 The for Mathematicians probably most exciting Clay tablet YBC 7289 contains the square root or 2 to this accuracy. They appear to have missed Pi. t.co/hwTkN4xTen
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A "Deep Heritage" animation of Goedel for our upcoming lecture on set theory and logic t.co/4BdGteEVgh .Goedel is to mathematics what Einstein is to physics (probably the most famous mathematician). Accidentally, they were also friends and door to door pals in Princeton. t.co/GtOLD0ntN1
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It appears that the t.co/nesi7jf8Tn website is down. Does somebody know what happened? The github repository fortunately still exists: t.co/eoaE3TSubD
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After reading again in the book "Huygens and Barrow, Newton and Hooke" by V.I. Arnold, here is an "Deep Nostagia" animation of the 3 Newton contemporaries (Huygens-Barrow-Hooke). Great ideas rarely develop in a vacuum and these guys contributed significantly to Newton's success. t.co/eagzsYNdHS
